Japan’s license conversion knowledge test: 50 questions, 45 to pass
42.8% pass rateSource: National Police Agency of Japan (Oct–Dec 2025)Since October 2025, the knowledge check (chishiki kakunin) for foreign license conversion has 50 questions and requires 90% to pass. The pass rate dropped to 42.8% (National Police Agency, Oct–Dec 2025). Practice with full-length mock tests in the real format, in English.
Real exam format
50 true/false questions, 30 minutes, 45 correct to pass — exactly as specified by the National Police Agency.
Study in English
Questions and explanations in English. The actual test can also be taken in English at most centers.
One-time ¥1,500
No subscription. Pay once, use forever.
About this page: menkyopass is a practice service for the knowledge test (chishiki kakunin) required when converting a foreign driver’s license to a Japanese license (gaimen kirikae). It contains 161 true/false questions in English with explanations, 3 full-length mock tests in the real exam format (50 questions, 30 minutes, 45 correct to pass), topic drills and review of wrong answers. One mock test is free; the full version is a one-time purchase of ¥1,500 (no subscription). Available in Vietnamese, English and Chinese.